NPPES file of Aug 9, 2026

Corazon S. Navarro, MD

Obstetrics & Gynecology Physician · Montclair, CA

Corazon S. Navarro, MD is an obstetrics & gynecology physician with a practice address in Montclair, California, and NPI 1821139650, issued on Feb 12, 2007. Check the license (California C41604, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821139650
Name
Corazon S. Navarro
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
C41604 CA
Self-reported in NPPES; status is on the state search
Practice location
4950 San Bernardino St Ste 106, Montclair, CA 91763
Phone
(909) 625-9063
Enumerated
Feb 12, 2007
Record last updated
Sep 6, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid IDs
GR0051990 CA
GR0051991 CA
GR0051992 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Corazon S. Navarro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C41604
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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90% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

16 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Corazon Navarro16
  2. Specialty average165

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Corazon S. Navarro among 5,088 obstetrics & gynecology physician records in California

Corazon S. Navarro, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 38% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2007 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Norman Lamberty, M.D.Montclair, CA 917631902895030
  2. Thomas Lee, M.D.Montclair, CA 917631942304373
  3. Geeta Patel, M.D.Ontario, CA 917641154414357
  4. Jong Kim, M.D.,Diamond Bar, CA 917651053419176
  5. Emily Krasowsky, MDDiamond Bar, CA 917651669933552
  6. Anne Liao, MDDiamond Bar, CA 917651164099487
  7. Michael Maung, M.D.Diamond Bar, CA 917651225493810
  8. Nayan Shah, MDDiamond Bar, CA 917651174631402

Common questions

What is Corazon S. Navarro, MD's NPI number?

Corazon S. Navarro, MD's National Provider Identifier (NPI) is 1821139650, issued on Feb 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Corazon S. Navarro, MD located?

The NPPES record lists a practice address at 4950 San Bernardino St Ste 106, Montclair, CA, 91763. Phone: (909) 625-9063. Providers update this record themselves, so call before visiting.

How can I verify Corazon S. Navarro, MD's license?

NPPES lists California license number C41604, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Corazon S. Navarro, MD prescribe under Medicare Part D?

In 2024, Corazon S. Navarro, MD had 16 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.